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PopulationTask: use modification counters to detect changed chunks

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instead of using terrain dirty flags, which aren't suitable for this purpose
This commit is contained in:
Dylan K. Taylor 2021-10-25 20:53:50 +01:00
parent a5418a019d
commit d4cbde6f10
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GPG Key ID: 8927471A91CAFD3D
1 changed files with 4 additions and 1 deletions
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5
src/world/generator/PopulationTask.php
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@ -89,6 +89,7 @@ class PopulationTask extends AsyncTask{
/** @var Chunk[] $chunks */
$chunks = [];
$oldModCounts = [];
$chunk = $this->chunk !== null ? FastChunkSerializer::deserializeTerrain($this->chunk) : null;
@ -101,6 +102,7 @@ class PopulationTask extends AsyncTask{
$chunks[$i] = null;
}else{
$chunks[$i] = FastChunkSerializer::deserializeTerrain($ck);
$oldModCounts[$i] = $chunks[$i]->getModificationCount();
}
}
@ -124,7 +126,8 @@ class PopulationTask extends AsyncTask{
$this->chunk = FastChunkSerializer::serializeTerrain($chunk);
foreach($chunks as $i => $c){
$this->{"chunk$i"} = $c->isTerrainDirty() ? FastChunkSerializer::serializeTerrain($c) : null;
$oldModCount = $oldModCounts[$i] ?? 0;
$this->{"chunk$i"} = $oldModCount !== $c->getModificationCounter() ? FastChunkSerializer::serializeTerrain($c) : null;
}
}